package com.demo.hotel_book.util;

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.demo.hotel_book.config.AlipayConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;


@Component
public class AlipayUtil {
    @Autowired
    AlipayConfig alipayConfig;


    public String goAlipay(String id,String price) throws Exception {

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getGatewayUrl(), alipayConfig.getAppid(), alipayConfig.getAppPrivateKey(), "json", alipayConfig.getCharset(), alipayConfig.getAlipayPublicKey(), alipayConfig.getSignType());
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(alipayConfig.getReturnUrl());
        alipayRequest.setNotifyUrl(alipayConfig.getNotifyUrl());
        //商户订单号，商户网站订单系统中唯一订单号，必填

        String  out_trade_no =id;
        //付款金额，必填
        String total_amount = price;
        //订单名称，必填
        String subject = "订单";
        //商品描述，可空
        String body = "房间";

        // 该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天（1c-当天的情况下，无论交易何时创建，都在0点关闭）。 该参数数值不接受小数点， 如 1.5h，可转换为 90m。
        String timeout_express = "1c";

        alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                + "\"total_amount\":\"" + total_amount + "\","
                + "\"subject\":\"" + subject + "\","
                + "\"body\":\"" + body + "\","
                + "\"timeout_express\":\"" + timeout_express + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        //输出
        return result;
    }


}
